When the user clicks on a check box control at run time, which one of the following events is raised (in addition to the Click event)?

A class diagram:

a. Is a list of classes used in the program. b. Is a list of events used in the program. c. Shows the classes and how they are processed. d. Shows the data structure, attributes and methods of a class.

The advantages of using typedef do not include:

a. Making programs more portable by allowing data types to be easily changed to meet system specifications. b. Making type names shorter. c. Making programs more readable. d. Increasing the efficiency of accessing struct member variables.